www.pudn.com > jm74.zip > block.h
/*!
************************************************************************
* \file block.h
*
* \author
* Inge Lille-Langøy \n
* Telenor Satellite Services \n
* P.O.Box 6914 St.Olavs plass \n
* N-0130 Oslo, Norway
*
************************************************************************
*/
#ifndef _BLOCK_H_
#define _BLOCK_H_
#include "global.h"
//! make chroma QP from quant
const byte QP_SCALE_CR[52]=
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,
12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,
28,29,29,30,31,32,32,33,34,34,35,35,36,36,37,37,
37,38,38,38,39,39,39,39
};
//! single scan pattern
const byte SNGL_SCAN[16][2] =
{
{0,0},{1,0},{0,1},{0,2},
{1,1},{2,0},{3,0},{2,1},
{1,2},{0,3},{1,3},{2,2},
{3,1},{3,2},{2,3},{3,3}
};
//! field scan pattern
const byte FIELD_SCAN[16][2] =
{
{0,0},{0,1},{1,0},{0,2},
{0,3},{1,1},{1,2},{1,3},
{2,0},{2,1},{2,2},{2,3},
{3,0},{3,1},{3,2},{3,3}
};
//! array used to find expencive coefficients
const byte COEFF_COST[16] =
{
3,2,2,1,1,1,0,0,0,0,0,0,0,0,0,0
};
//! bit cost for coefficients
const byte COEFF_BIT_COST[3][16][16]=
{
{ // 2x2 scan (corrested per Gisle's Email 11/23/2000 by StW
{ 3, 5, 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13},
{ 5, 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13,13},
{ 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13,13,15},
{ 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13,13,15},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
{ 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
},
{ // double scan
{ 3, 5, 7, 7, 7, 9, 9, 9, 9,11,11,13,13,13,13,15},
{ 5, 9, 9,11,11,13,13,13,13,15,15,15,15,15,15,15},
{ 7,11,11,13,13,13,13,15,15,15,15,15,15,15,15,17},
{ 9,11,11,13,13,13,13,15,15,15,15,15,15,15,15,17},
{ 9,11,11,13,13,13,13,15,15,15,15,15,15,15,15,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
{11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
},
{ // single scan
{ 3, 7, 9, 9,11,13,13,15,15,15,15,17,17,17,17,17},
{ 5, 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17},
{ 5, 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17},
{ 7,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{ 7,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{ 7,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{ 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{ 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{ 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{ 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
{11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
{11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
{11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
{11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
{11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
{11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
},
};
#endif